ISRC USSM10007711

Verified recording

USSM10007711 is “Die Dreigroschenoper: Akt I, Kanonensong ("John war darunter und Jim war dabei")” by Kurt Weill, registered on the CopyrightChains blockchain with CopyrightID 0x9c80875546718bf0275c59e2e56f4a2037c95b1977eb0b7dfd4b4329ea609eb5 and independently timestamped in Bitcoin block 956304 on 2026-07-02. Verify the canonical record, hash, and Bitcoin attestation at https://artists.proofprofile.net/api/v1/bot/ots/verify/track/USSM10007711.

Recording identifiers

ISRC
USSM10007711
Title
Die Dreigroschenoper: Akt I, Kanonensong ("John war darunter und Jim war dabei")
Artist
Kurt Weill
CopyrightID (CopyrightChains transaction hash)
0x9c80875546718bf0275c59e2e56f4a2037c95b1977eb0b7dfd4b4329ea609eb5

Dual-chain proof evidence

Bitcoin-attested timestamp
2026-07-02T03:55:08+00:00
Bitcoin block
956304
Canonical record hash
sha256:30226f7cadf8c85a11ca2cc7c4c46d9991908405129216d1be569ecf8397a840
Verification API (6-check server-side result)
https://artists.proofprofile.net/api/v1/bot/ots/verify/track/USSM10007711
Bitcoin block existence check
https://blockstream.info/api/block/956304

Full record

Track page: Die Dreigroschenoper: Akt I, Kanonensong ("John war darunter und Jim war dabei") · Machine-readable JSON-LD